package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

//菜品管理
@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {
    @Autowired
    DishService dishService;

    @Autowired
    RedisTemplate redisTemplate;
    //新增菜品
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("分页查询")
    //菜品分页查询
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    //@RequestParam 这个注解可以分割字符串 delete将接受一个ids参数，ids为一个字符串：“1，2，3”，直接拿@RequestParam接受
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除{}", ids);
        dishService.deleteBatch(ids);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    //根据菜品查询id
    @GetMapping("/{id}")
    @ApiOperation("根据ID查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);  //注意这里要用dishvo对象
        return Result.success(dishVO);
    }

    //修改菜品
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }


//菜品起售停售


    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    //清理缓存数据
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
